Home / 109,903.92-151,665.62-62,155.48

Finding the Fourth Proportional to 109,903.92, 151,665.62 and 62,155.48

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Solution

The fourth proportional to 109,903.92, 151,665.62 and 62,155.48 is: 85,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,903.92 : 151,665.62 = 62,155.48 : x
  2. Step 2: Convert to fraction form
    109,903.92/151,665.62 = 62,155.48/x
  3. Step 3: Cross multiply
    109,903.92x = 151,665.62 × 62,155.48
  4. Step 4: Simplify right side
    109,903.92x = 9,426,849,410.60
  5. Step 5: Solve for x
    x = 9,426,849,410.60/109,903.92
  6. Step 6: Final answer
    x = 85,773.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.